Flight number record
F9 2575
Frontier Airlines · Salt Lake City to Las Vegas
- Route
- SLC → LAS
- Departs
- 13:32
- Flights
- 284
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s F9 2575, check with Frontier Airlines.
F9 2575 lands a B, 2 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 284 flights, with a median arrival 11 minutes early.
Key figures
On time
79.3%
Arrivals under 15 minutes late, of 280 completed flights
Avg delay
76 min
Across delayed arrivals only, not all flights
Cancelled
1.41%
National rate is 1.89%
1 hour+ late
7.9%
National rate is 8.3%
These figures cover 284 flights between September 2025 and August 2026. The median arrival is 11 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Schedule
When F9 2575 flies
F9 2575 flies SLC to LAS without a single fixed slot. Its most common scheduled departure was 13:32, used on 35 of 284 flights, with 13:47 (31 flights) next.
- Departs 13:3235 flights12.3%
- Departs 13:4731 flights10.9%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 13:32 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.3%, and F9 2575 runs level with that at 79.3%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
F9 2575 next to SLC to LAS
Every carrier on SLC to LAS combined arrived on time 77.5% of the time across 3,724 flights, so F9 2575 is 2 points ahead of it. Frontier flew 535 flights on the same city pair under all its flight numbers, including this one, and those ran 77.8% on time. Across its whole network Frontier Airlines managed 72.7%, which this flight beats by 7 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| F9 2575thin sample | 284 | 79.3% | 76 min | 1.41% | B |
| All Frontier Airlines on SLC–LAS | 535 | 77.8% | 115 min | 1.31% | B |
| All carriers on SLC–LAS | 3,724 | 77.5% | 62 min | 0.67% | B+ |
| Frontier Airlines, whole network | 213,022 | 72.7% | 84 min | 2.05% | C |
Across the year
F9 2575 quarter by quarter
F9 2575 did not run the same all year. Its best quarter was Jan–Mar 2026 at 87.0% on time and its weakest Jul–Sep 2026 at 66.7%, a swing of 20 points on roughly 71 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202516 flights—
- Oct–Dec 202566 flights86.2%
- Jan–Mar 202655 flights87.0%
- Apr–Jun 202691 flights75.8%
- Jul–Sep 202656 flights66.7%
Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, F9 2575 did best on Wednesday at 89.5% on time and worst on Thursday at 66.7%. Each day rests on about 41 flights, so a gap of 23 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late F9 2575 runs when it is late
F9 2575 often beats the schedule: 106 of 280 completed flights, 38%, arrived 15 minutes or more early. The 58 late arrivals split 19 under half an hour, 17 between 30 and 60 minutes, and 22 an hour or more.
- 15+ min early106 flights37.9%
- Within 15 min116 flights41.4%
- 15–29 min late19 flights6.8%
- 30–59 min late17 flights6.1%
- 1–2 hours late14 flights5.0%
- 2+ hours late8 flights2.9%
Scale runs 0% to 100%.
Share of 280 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 39 departures that left 15 minutes late or more, only 1 made it up before arrival. In the other direction, 20 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at LAS.
The worst days
Worst days for F9 2575
The latest arrival of the period was on 4 September 2025, 13 hours 55 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). On three of the five worst days the largest share was filed as a late-arriving aircraft.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 4 September 2025 | 13 hours 55 minutes | Carrier |
| 16 September 2025 | 4 hours 31 minutes | Late-arriving aircraft |
| 12 November 2025 | 4 hours 21 minutes | Late-arriving aircraft |
| 13 August 2026 | 3 hours 14 minutes | National Airspace System |
| 5 January 2026 | 2 hours 41 minutes | Late-arriving aircraft |
Delay causes
Why F9 2575 runs late
Late-arriving aircraft accounts for 44% of the 4,409 delay minutes carriers reported here, and the remaining four split what is left.
- 44%Late-arriving aircraft
- 31%National Airspace System
- 24%Carrier
- 1%Extreme weather
44% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 4,409 reported delay minutes here, that single category outweighs weather by 31 to one. The split is drawn from 4,409 delay minutes reported on F9 2575.
Cancellations sit at 1.41% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
7.9% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
Every one of the 284 flights under F9 2575 in the data flew SLC to LAS. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 284 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking F9 2575
For a booking, read F9 2575 as 79.3% on time with 1.41% cancelled over 284 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- SLC to LAS, every carrier and departure
- LAS to SLC, the return direction
- Delta Air Lines 1659 on the same route74.9%
- Delta Air Lines 1672 on the same route72.9%
- Delta Air Lines 1662 on the same route79.6%
- Delta Air Lines 1698 on the same route93.3%
- Salt Lake City International (SLC) delay statistics
- Harry Reid International (LAS) delay statistics
- Frontier Airlines on-time record
- Every Frontier Airlines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Frontier Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.